Machvise is an officer in the Diamante Army of the Donquixote Pirates and a wielder of the Ton Ton no Mi, which lets him pile on metric tons of body weight to crush his foes. He serves as a supporting villain throughout the Dressrosa Arc.
Towering and heavily built, Machvise is a corpulent giant of a man crowned with long, wavy blond locks tucked beneath an oversized red hat. A full beard and mustache frame his face, and his thickly muscled, club-like upper arms taper into oddly slim, hairy forearms above short, stubby legs. His outfit centers on a swirl-patterned red shirt with a tail-like flap at the rear, dark sunglasses, and the crew's jolly roger stamped across both arms and the front of his red peaked cap. A clover-shaped iron plate rides on his back. Flashbacks show him slimmer and more athletic in his thirties, wearing a singlet, before age and weight rounded out his familiar silhouette.
A verbal tic colors his speech, since he swaps the ordinary "ing" ending of words for a drawn-out "iin." He can seem oddly considerate, voicing mock concern over Baby 5 after she was shot, yet he is bullheaded enough to threaten any Marine who dared approach once Doflamingo supposedly stepped down from the Seven Warlords. In combat he turns brutal, gleefully amplifying a blow against the wounded Hajrudin who could barely stand. For all his bulk he has a peculiar fondness for balancing in pirouettes, and like so many in the world he carries his own signature laugh: "Nihihihihihi."
Ranking as an officer, Machvise commanded the crew's lesser members and routinely entered the Corrida Colosseum's tournaments, where the talent runs deep. The four Diamante Army officers were reputed to guarantee victory whenever they competed together. His durability borders on absurd, since he can slam through stone without flinching and brushed off one of Dellinger's fierce kicks with only minor discomfort, an attack that left fighters like Bellamy badly hurt.
His power flows from the Ton Ton no Mi, a Paramecia fruit that lets him magnify his own mass by metric tons. By soaring above a target and then suddenly dropping his swelled weight, he attempts to flatten enemies into the earth, splitting the ground and even cracking a giant's bones. He pairs this with a round, cross-shaped shield, normally chained to his back, to drive his body slams home. Born in the North Blue and pursued for his fruit, he was eventually run down and recruited by Doflamingo. During the Dressrosa conflict he fought alongside Senor Pink and Dellinger, struck down Boo of the Happo Navy, and escalated his crushing attacks against Hajrudin, only for the giant's Gungnir to launch him into the Birdcage threads and leave him broken and beaten. After Doflamingo fell, the Marines hauled him away.

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Yes, Machvise has eaten the Ton Ton no Mi, a Paramecia-type Devil Fruit that lets him magnify his own body weight by metric tons. He uses this power to fly above enemies and drop his increased mass to crush them.
Machvise is an officer in the Diamante Army of the Donquixote Pirates and a supporting villain throughout the Dressrosa Arc. He is a towering, heavily built man known for his absurd durability and his weight-manipulating Ton Ton no Mi.
Machvise soars above a target and suddenly drops his swelled weight in an attempt to flatten enemies into the ground, an attack strong enough to split the earth and crack a giant's bones. He pairs this with a round, cross-shaped shield normally chained to his back to drive his body slams home.
During the Dressrosa conflict, Machvise fights alongside Senor Pink and Dellinger and strikes down Boo of the Happo Navy. He escalates his crushing attacks against the giant Hajrudin, but Hajrudin's Gungnir launches him into the Birdcage threads, leaving him broken and beaten before the Marines take him into custody.
Machvise swaps the ordinary 'ing' ending of words for a drawn-out 'iin' when he speaks. He also carries his own signature laugh, 'Nihihihihihi.'
Looking for more on Machvise? The One Piece Wiki on Fandom has a dedicated page with community notes.
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